yFromLstar static method
- double lstar
Converts an L* value to a Y value.
L* in Lab* and Y in XYZ measure the same quantity, luminance.
L* measures perceptual luminance, a linear scale. Y in XYZ measures relative luminance, a logarithmic scale.
lstar
L* in Lab*
Returns Y in XYZ
Implementation
static double yFromLstar(double lstar) {
return 100.0 * _labInvf((lstar + 16.0) / 116.0);
}